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Intersection

API > API/Runtime > API/Runtime/GeometryCore

Classes

  Type Name Description
Public struct FLinearIntersection FLinearIntersection contains intersection information returned by linear/primitive intersection functions  
Public class TExactIntrTriangle3Triangle3 An exact-math version of TIntrTriangle3Triangle3, with less persistent state results are returned per-function rather than kept on the struct.  
Public class TIntersector1 TIntersector1 computes the intersection of one-dimensional intervals [u0,u1] and [v0,v1].  
Public class TIntrLine2Line2 Compute intersection between two 2D lines  
Public class TIntrLine2Triangle2 Compute intersection between 2D Line and 2D Triangle  
Public class TIntrRay3AxisAlignedBox3 Compute intersection between 3D ray and 3D axis-aligned box  
Public class TIntrRay3OrientedBox3 Compute intersection between 3D ray and 3D oriented box  
Public class TIntrRay3Triangle3 Compute intersection between 3D ray and 3D triangle  
Public class TIntrSegment2Segment2 Ported from WildMagic5  
Public class TIntrSegment2Triangle2 Compute intersection between 2D segment and 2D triangle.  
Public class TIntrTriangle2AxisAlignedBox2 Compute intersection between a 2D triangle and a 2D axis-aligned box  
Public class TIntrTriangle2Triangle2 Compute intersection between 2D triangles  
Public class TIntrTriangle3Triangle3 Compute intersection between 3D triangles use Test() for fast boolean query, does not compute intersection info use Find() to compute full information By default fully-contained co-planar triangles are not reported as intersecting.  

Typedefs

Name Description
FExactIntrTriangle3Triangle3d  
FExactIntrTriangle3Triangle3f  
FIntersector1d  
FIntersector1f  
FIntrLine2Line2d  
FIntrLine2Line2f  
FIntrLine2Triangle2d  
FIntrLine2Triangle2f  
FIntrRay3AxisAlignedBox3d  
FIntrRay3AxisAlignedBox3f  
FIntrRay3OrientedBox3d  
FIntrRay3OrientedBox3f  
FIntrRay3Triangle3d  
FIntrRay3Triangle3f  
FIntrSegment2Segment2d  
FIntrSegment2Segment2f  
FIntrSegment2Triangle2d  
FIntrSegment2Triangle2f  
FIntrTriangle2AxisAlignedBox2d  
FIntrTriangle2AxisAlignedBox2f  
FIntrTriangle2Triangle2d  
FIntrTriangle2Triangle2f  
FIntrTriangle3Triangle3d  
FIntrTriangle3Triangle3f  

Functions

  Type Name Description
Public function FLinearIntersection

IntersectionUtil::LineSphereIntersection ( const TVector< RealType >& LineOrigin,
const TVector< RealType >& LineDirection,
const TVector< RealType >& SphereCenter,
RealType SphereRadius
)

  
Public function bool

IntersectionUtil::LineSphereIntersection ( const TVector< RealType >& LineOrigin,
const TVector< RealType >& LineDirection,
const TVector< RealType >& SphereCenter,
RealType SphereRadius,
FLinearIntersection& ResultOut
)

 Intersect line with sphere and return intersection info (# hits, ray parameters)
Public function bool

IntersectionUtil::LineSphereTest ( const TVector< RealType >& LineOrigin,
const TVector< RealType >& LineDirection,
const TVector< RealType >& SphereCenter,
RealType SphereRadius
)

 Test if line intersects sphere
Public function bool

IntersectionUtil::RayCircleIntersection ( const TVector< RealType >& RayOrigin,
const TVector< RealType >& RayDirection,
const TVector< RealType >& CircleCenter,
RealType CircleRadius,
const TVector< RealType >& CircleNormal,
FLinearIntersection& Result
)

 Intersect ray with circle and return intersection info (# hits, ray parameters)
Public function FLinearIntersection

IntersectionUtil::RaySphereIntersection ( const TVector< RealType >& RayOrigin,
const TVector< RealType >& RayDirection,
const TVector< RealType >& SphereCenter,
RealType SphereRadius
)

  
Public function bool

IntersectionUtil::RaySphereIntersection ( const TVector< RealType >& RayOrigin,
const TVector< RealType >& RayDirection,
const TVector< RealType >& SphereCenter,
RealType SphereRadius,
FLinearIntersection& Result
)

 Intersect ray with sphere and return intersection info (# hits, ray parameters)
Public function bool

IntersectionUtil::RaySphereTest ( const TVector< RealType >& RayOrigin,
const TVector< RealType >& RayDirection,
const TVector< RealType >& SphereCenter,
RealType SphereRadius
)

  
Public function bool

IntersectionUtil::RayTriangleTest ( const TVector< RealType >& RayOrigin,
const TVector< RealType >& RayDirection,
const TVector< RealType >& V0,
const TVector< RealType >& V1,
const TVector< RealType >& V2
)

  
Public function bool

UE::Geometry::DoesTriangleIntersectCircle2D ( const TVector2< Real >& A,
const TVector2< Real >& B,
const TVector2< Real >& C,
const TVector2< Real >& Center,
double RadiusSquared
)

  
Public function bool

UE::Geometry::IsInside ( const TOrientedBox3< RealType >& OuterBox,
EnumerablePointsType EnumerablePts
)

  
Public function bool

UE::Geometry::IsInside ( const TOrientedBox3< RealType >& OuterBox,
const TTriLinearGridInterpolant< GridType >& InnerGrid
)

  
Public function bool

UE::Geometry::IsInside ( const TTriLinearGridInterpolant< GridType >& OuterGrid,
const UE::Geometry::TAxisAlignedBox3< RealType >& InnerAABB
)

 Signed distance field containment tests
Public function bool

UE::Geometry::IsInside ( const TTriLinearGridInterpolant< GridType >& OuterGrid,
const TTransform< RealType >& OuterGridTransform,
const TSphere3< RealType >& InnerSphere
)

 Signed Distance Field containment queries Test if the axis-aligned bounding box of InnerSphere is completely inside the negative region of the signed distance field discretized on OuterGrid
Public function bool

UE::Geometry::IsInside ( const TTriLinearGridInterpolant< GridType1 >& OuterGrid,
const TTransform< RealType >& OuterGridTransform,
const TTriLinearGridInterpolant< GridType2 >& InnerGrid,
const TTransform< RealType >& InnerGridTransform
)

 Test if the axis-aligned bounding box of InnerGrid is completely inside the negative region of the signed distance field discretized on OuterGrid
Public function bool

UE::Geometry::IsInside ( const TTriLinearGridInterpolant< GridType >& OuterGrid,
const TTransform< RealType >& OuterGridTransform,
const TOrientedBox3< RealType >& InnerBox
)

 Test if the axis-aligned bounding box of InnerBox is completely inside the negative region of the signed distance field discretized on OuterGrid
Public function bool

UE::Geometry::IsInside ( const TTriLinearGridInterpolant< GridType >& OuterGrid,
const TTransform< RealType >& OuterGridTransform,
EnumerablePointsType EnumerablePts
)

 Test if all enumerable points are inside the negative region of the signed distance field discretized on OuterGrid
Public function bool

UE::Geometry::IsInside ( const TOrientedBox3< RealType >& OuterBox,
const TCapsule3< RealType >& InnerCapsule
)

  
Public function bool

UE::Geometry::IsInside ( const TTriLinearGridInterpolant< GridType >& OuterGrid,
const TTransform< RealType >& OuterGridTransform,
const TCapsule3< RealType >& InnerCapsule
)

 Test if the axis-aligned bounding box of InnerCapsule is completely inside the negative region of the signed distance field discretized on OuterGrid
Public function bool

UE::Geometry::IsInside ( const TOrientedBox3< RealType >& OuterBox,
const TSphere3< RealType >& InnerSphere
)

  
Public function bool

UE::Geometry::IsInside ( const TOrientedBox3< RealType >& OuterBox,
const TOrientedBox3< RealType >& InnerBox
)

 OrientedBox Containment Queries
Public function bool

UE::Geometry::IsInside ( const TCapsule3< RealType >& OuterCapsule,
const TTriLinearGridInterpolant< GridType >& InnerGrid
)

  
Public function bool

UE::Geometry::IsInside ( const TSphere3< RealType >& OuterSphere,
const TCapsule3< RealType >& InnerCapsule
)

  
Public function bool

UE::Geometry::IsInside ( const TSphere3< RealType >& OuterSphere,
const TOrientedBox3< RealType >& InnerBox
)

  
Public function bool

UE::Geometry::IsInside ( const TSphere3< RealType >& OuterSphere,
EnumerablePointsType EnumerablePts
)

  
Public function bool

UE::Geometry::IsInside ( const TSphere3< RealType >& OuterSphere,
const TTriLinearGridInterpolant< GridType >& InnerGrid
)

  
Public function bool

UE::Geometry::IsInside ( const TSphere3< RealType >& OuterSphere,
const TSphere3< RealType >& InnerSphere
)

 Sphere Containment Queries
Public function bool

UE::Geometry::IsInside ( const TCapsule3< RealType >& OuterCapsule,
const TSphere3< RealType >& InnerSphere
)

  
Public function bool

UE::Geometry::IsInside ( const TCapsule3< RealType >& OuterCapsule,
const TOrientedBox3< RealType >& InnerBox
)

  
Public function bool

UE::Geometry::IsInside ( const TCapsule3< RealType >& OuterCapsule,
EnumerablePointsType EnumerablePts
)

  
Public function bool

UE::Geometry::IsInside ( const TCapsule3< RealType >& OuterCapsule,
const TCapsule3< RealType >& InnerCapsule
)

 Capsule Containment Queries
Public function bool

UE::Geometry::IsInsideHull ( TArrayView< THalfspace3< RealType > > Halfspaces,
const TSphere3< RealType >& InnerSphere
)

 Convex Hull/Volume containment queries Test if the convex volume defined by a set of Halfspaces contains InnerSphere.
Public function bool

UE::Geometry::IsInsideHull ( TArrayView< THalfspace3< RealType > > Halfspaces,
const TCapsule3< RealType >& InnerCapsule
)

 Test if the convex volume defined by a set of Halfspaces contains InnerCapsule.
Public function bool

UE::Geometry::IsInsideHull ( TArrayView< THalfspace3< RealType > > Halfspaces,
const TOrientedBox3< RealType >& InnerBox
)

 Test if the convex volume defined by a set of Halfspaces contains InnerBox.
Public function bool

UE::Geometry::IsInsideHull ( TArrayView< THalfspace3< RealType > > Halfspaces,
EnumerablePointsType EnumerablePts
)

 Test if the convex volume defined by a set of Halfspaces contains InnerSphere.
Public function bool

UE::Geometry::IsInsideHull ( TArrayView< THalfspace3< RealType > > Halfspaces,
const TTriLinearGridInterpolant< GridType >& InnerGrid
)

  
Public function bool

UE::Geometry::TestIntersection ( const THalfspace3< RealType >& Halfspace,
const TCapsule3< RealType >& Capsule
)

  
Public function bool

UE::Geometry::TestIntersection ( const TSegment2< Real >& Segment,
const TAxisAlignedBox2< Real >& Box
)

 Return true if Segment and Box intersect and false otherwise.
Public function bool

UE::Geometry::TestIntersection ( const THalfspace3< RealType >& Halfspace,
const TSphere3< RealType >& Sphere
)

 Halfspace Intersection Queries
Public function bool

UE::Geometry::TestIntersection ( const THalfspace3< RealType >& Halfspace,
const TOrientedBox3< RealType >& Box
)

  

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